Effects of aspartate and other compounds on glyphosate uptake and growth inhibition in cultured carrot cells [Daucus carota, nonselective herbicides]
The strong correlation between glyphosate uptake and growth inhibition of cultured carrot (Daucus carota L. cv Danvers) cells incubated in the presence of aspartate suggests that aspartate reverses glyphosate inhibition of growth primarily by reducing intracellular glyphosate concentration. Other co...
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| Veröffentlicht in: | Plant physiology (Bethesda) 1983-03, Vol.71 (3), p.623-626 |
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| container_title | Plant physiology (Bethesda) |
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| creator | Emerson D. Nafziger Widholm, Jack M. Slife, Fred W. |
| description | The strong correlation between glyphosate uptake and growth inhibition of cultured carrot (Daucus carota L. cv Danvers) cells incubated in the presence of aspartate suggests that aspartate reverses glyphosate inhibition of growth primarily by reducing intracellular glyphosate concentration. Other compounds which reverse glyphosate inhibition of cell growth gave a range of effects on glyphosate uptake: succinate, α-ketoglutarate, glutamate, pyruvate, and malate at 10 millimolar and phenylalanine at 2 millimolar reduced uptake by 0, 8, 11, 16, 27, and 34%, respectively. These results suggest that more than one mechanism of reversal may operate in these cells. Glyphosate and aspartate produced only minor effects on intracellular ammonia, media pH, and cell viability. This suggests that ammonia toxicity may not be an important mechanism of action of glyphosate in this system. |
| doi_str_mv | 10.1104/pp.71.3.623 |
| format | Article |
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Nafziger</creatorcontrib><creatorcontrib>Widholm, Jack M.</creatorcontrib><creatorcontrib>Slife, Fred W.</creatorcontrib><title>Effects of aspartate and other compounds on glyphosate uptake and growth inhibition in cultured carrot cells [Daucus carota, nonselective herbicides]</title><title>Plant physiology (Bethesda)</title><addtitle>Plant Physiol</addtitle><description>The strong correlation between glyphosate uptake and growth inhibition of cultured carrot (Daucus carota L. cv Danvers) cells incubated in the presence of aspartate suggests that aspartate reverses glyphosate inhibition of growth primarily by reducing intracellular glyphosate concentration. Other compounds which reverse glyphosate inhibition of cell growth gave a range of effects on glyphosate uptake: succinate, α-ketoglutarate, glutamate, pyruvate, and malate at 10 millimolar and phenylalanine at 2 millimolar reduced uptake by 0, 8, 11, 16, 27, and 34%, respectively. These results suggest that more than one mechanism of reversal may operate in these cells. Glyphosate and aspartate produced only minor effects on intracellular ammonia, media pH, and cell viability. This suggests that ammonia toxicity may not be an important mechanism of action of glyphosate in this system.</description><subject>Ammonia</subject><subject>Cell culture techniques</subject><subject>Cell growth</subject><subject>Cultured cells</subject><subject>Cyclic amino acids</subject><subject>Flasks</subject><subject>Herbicides</subject><subject>Inoculation</subject><subject>Plants</subject><subject>Viability</subject><issn>0032-0889</issn><issn>1532-2548</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1983</creationdate><recordtype>article</recordtype><recordid>eNpF0c9vFCEUB3BiNHZbPXk1hpsH3RUGhoGjqa01aeKh9mQMYZnHLnV2QH7U9A_p_yub3dgTBD68L3kPoTeUrCgl_FOMq4Gu2Ep07Bla0J51y67n8jlaENL2REp1gk5zviOEUEb5S3RChRCdHIYFerxwDmzJODhscjSpmALYzCMOZQsJ27CLoc5jAzPeTA9xG_Je1FjM7wPcpPC3bLGft37ti2_Oz9jWqdQEI7YmpVCwhWnK-OcXU23N-8NQzEc8hznD1PL9PeAWt_bWj5B_vUIvnJkyvD6uZ-j28uLH-dXy-vvXb-efr5eWMV6WXMFoaC_BSKYk7Z3ish-VFJ2TVkKnOtevreVGMMsVsdwKMjpnGAHSAzB2ht4f6sYU_lTIRe983n_VzBBq1kOLae1jfZMfDtKmkHMCp2PyO5MeNCV6PwYdox6oZrqNoel3x7p1vYPxyR773sDbA7jLJaT_97wTg1Ti6b0zQZtN8lnf3lAlGVFMMUrZP7thmTE</recordid><startdate>198303</startdate><enddate>198303</enddate><creator>Emerson D. 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Nafziger</creatorcontrib><creatorcontrib>Widholm, Jack M.</creatorcontrib><creatorcontrib>Slife, Fred W.</creatorcontrib><collection>AGRIS</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Plant physiology (Bethesda)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Emerson D. 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Other compounds which reverse glyphosate inhibition of cell growth gave a range of effects on glyphosate uptake: succinate, α-ketoglutarate, glutamate, pyruvate, and malate at 10 millimolar and phenylalanine at 2 millimolar reduced uptake by 0, 8, 11, 16, 27, and 34%, respectively. These results suggest that more than one mechanism of reversal may operate in these cells. Glyphosate and aspartate produced only minor effects on intracellular ammonia, media pH, and cell viability. This suggests that ammonia toxicity may not be an important mechanism of action of glyphosate in this system.</abstract><cop>United States</cop><pub>American Society of Plant Physiologists</pub><pmid>16662877</pmid><doi>10.1104/pp.71.3.623</doi><tpages>4</tpages><oa>free_for_read</oa></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0032-0889 |
| ispartof | Plant physiology (Bethesda), 1983-03, Vol.71 (3), p.623-626 |
| issn | 0032-0889 1532-2548 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_733488935 |
| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; JSTOR Archive Collection A-Z Listing; Alma/SFX Local Collection |
| subjects | Ammonia Cell culture techniques Cell growth Cultured cells Cyclic amino acids Flasks Herbicides Inoculation Plants Viability |
| title | Effects of aspartate and other compounds on glyphosate uptake and growth inhibition in cultured carrot cells [Daucus carota, nonselective herbicides] |
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